Sebastian Wick 37fb84ec00 revokefs: Avoid symlink path traversal out of basefd in simple cases
Use glnx_chaseat to ensure that all the attacker-controlled paths end up
inside the basefd directory.

This requires some new helper functions, which will be used in more
complicated syscalls' implementations in subsequent commits.

[smcv: Separated from a larger commit for better reviewability]
Co-authored-by: Simon McVittie <smcv@collabora.com>
Helps: https://github.com/flatpak/flatpak/security/advisories/GHSA-qrwq-7qwx-q9rp
2026-08-09 16:45:53 +01:00
2025-12-03 19:34:17 -05:00
2024-02-16 19:30:32 +00:00
2025-12-03 19:34:17 -05:00
2026-04-10 19:28:42 +02:00
2025-05-07 17:54:28 +00:00
2024-02-16 19:30:32 +00:00
…
2026-04-10 19:41:41 +02:00
2026-04-10 19:41:41 +02:00

Flatpak icon

Flatpak is a system for building, distributing, and running sandboxed desktop applications on Linux.

See https://flatpak.org/ for more information.

Flatpak is available in the package repositories of most Linux distributions and can be installed from there. See https://flatpak.org/setup/ for quick setup instructions for many distributions.

Community discussion happens in #flatpak:matrix.org, on the mailing list, and on the Flathub Discourse.

Read documentation for Flatpak here.

Contributing

Flatpak welcomes contributions from anyone! Here are some ways you can help:

Hacking

See CONTRIBUTING.md

Related Projects

Here are some notable projects in the Flatpak ecosystem:

  • Flatseal: An app for managing permissions of Flatpak apps without using the CLI
  • Flat-manager: A tool for managing Flatpak repositories
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